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Finding the Fourth Proportional to 496,936.60, 745,404.90 and 471,275.80

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Solution

The fourth proportional to 496,936.60, 745,404.90 and 471,275.80 is: 706,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,936.60 : 745,404.90 = 471,275.80 : x
  2. Step 2: Convert to fraction form
    496,936.60/745,404.90 = 471,275.80/x
  3. Step 3: Cross multiply
    496,936.60x = 745,404.90 × 471,275.80
  4. Step 4: Simplify right side
    496,936.60x = 351,291,290,571.42
  5. Step 5: Solve for x
    x = 351,291,290,571.42/496,936.60
  6. Step 6: Final answer
    x = 706,913.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.